Hurwitz 1993.

Study characteristics
Methods	Prompting the clinical care of non‐insulin dependent (type II) diabetic patients in an inner city area: one model of community care Patient RCT, conducted in 2 hospital outpatient clinics, 38 general practices and 11 optometrists in the catchment area of a district general hospital in Islington, UK Two arms: 1. Control (control arm) and 2. Prompted (intervention arm)
Participants	Control arm N: 92 Intervention arm N: 89 Diabetes type: type 2 Mean age: 62.6 ± 10.0 % Male: 58.0 Longest follow‐up: 30 months
Interventions	Control arm: 1) Clinician education Intervention arm: 1) Electronic patient registry 2) Clinician education 3) Clinician reminders 4) Patient reminders
Outcomes	1) Retinopathy screening (eye exam), N screened (%) Control arm: pre 22 (24), post 58 (83) Intervention arm: pre 15 (17), post 72 (97) 2) HbA1c, mean % (SD) Control arm: pre NR (NR), post 10.6 (2.5) Intervention arm: pre NR (NR), post 10.3 (2.3)
Funding source	A development project grant from the British Diabetic Association and funds from the Greater London Enterprise Board of the GLC and the London Residuary Body supported this study
Notes	—
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Information not available.
Allocation concealment (selection bias)	High risk	Information not available.
Patient's baseline characteristics (selection bias)	Low risk	Information not available.
Patient's baseline outcomes (selection bias)	Low risk	Information not available.
Incomplete outcome data (attrition bias)	Low risk	Information not available.
Blinding of participants and personnel (performance bias) and of outcome assessors (detection bias)	Low risk	Information not available.
Selective reporting (reporting bias)	Low risk	Information not available.
Risk of contamination (other bias)	Low risk	Information not available.
Other bias	Low risk	Information not available.